Commitments and Contingencies - Additional Information (Detail) - USD ($) $ in Millions		3 Months Ended
Jul. 07, 2014	Mar. 31, 2017
Commitments And Contingencies [Line Items]
Purchase commitments		$ 49.4
Outstanding commitments owed to various franchisees		22.7
Internal Revenue Service (IRS) [Member]
Commitments And Contingencies [Line Items]
Notice of taxable adjustment from IRS	$ 158.0
Operating Loss Carryforwards	$ 89.0
Tax rate impose on REIT, federal and state tax authorities	100.00%
Internal Revenue Service (IRS) [Member] \| Tax Year 2013 [Member]
Commitments And Contingencies [Line Items]
Proposed adjustment to transfer-pricing related assessment		$ 18.0

Minimum amount to be expended to satisfy the terms of arrangements in which the entity has agreed to expend funds to procure goods or services, excluding long-term purchase commitments or unconditional purchase obligations.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(a)(19))
-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(17))
-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(25))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Name:	us-gaap_PurchaseCommitmentRemainingMinimumAmountCommitted
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant